Question 1

The energy of a photon is proportional to the light's

Accepted Answer

A)  wavelength. 
B)  speed. 
C)  frequency. 
D)  intensity. 
E)  two of the above. 
A)  wavelength. 
B)  speed. 
C)  frequency. 
D)  intensity. 
E)  two of the above.

Question 2

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

Accepted Answer

The answer of When the electrons in an atom are...

Question 3

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Accepted Answer

A)  nucleus 
B)  ion 
C)  proton 
D)  electron cloud 
E)  molecule 
A)  nucleus 
B)  ion 
C)  proton 
D)  electron cloud 
E)  molecule

Question 4

Hydrogen alpha is the longest wavelength Balmer line.

Accepted Answer

A) True 
 B)False

Question 5

At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 10,000 K?

Accepted Answer

A)  10 nm 
B)  100 nm 
C)  300 nm 
D)  1.0*104 nm 
E)  3.0*1010 nm 
A)  10 nm 
B)  100 nm 
C)  300 nm 
D)  1.0*104 nm 
E)  3.0*1010 nm

Question 6

Diagram 6-2  
-Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  2 and 3 
E)  none of them 
A)  1 
B)  2 
C)  3 
D)  2 and 3 
E)  none of them

Question 7

Diagram 6-2  
-Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see a continuous spectrum?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  2 and 3 
E)  none of them 
A)  1 
B)  2 
C)  3 
D)  2 and 3 
E)  none of them

Question 8

A neutral atom always contains

Accepted Answer

A)  the same number of protons as it does neutrons. 
B)  the same number of electrons as it does neutrons. 
C)  the same number of protons as it does electrons. 
D)  twice as many protons as it does neutrons. 
E)  twice as many neutrons as it does protons. 
A)  the same number of protons as it does neutrons. 
B)  the same number of electrons as it does neutrons. 
C)  the same number of protons as it does electrons. 
D)  twice as many protons as it does neutrons. 
E)  twice as many neutrons as it does protons.

Question 9

The bluer the light, the ____ each photon contains.

Accepted Answer

A)  more energy 
B)  less energy 
C)  less speed 
D)  more speed 
E)  none of the above 
A)  more energy 
B)  less energy 
C)  less speed 
D)  more speed 
E)  none of the above

Question 10

The lowest energy level in an atom is

Accepted Answer

A)  the absolute zero temperature. 
B)  the ground state. 
C)  the ionization level. 
D)  responsible for Doppler shifts. 
E)  the energy level from which the Paschen series of hydrogen originates. 
A)  the absolute zero temperature. 
B)  the ground state. 
C)  the ionization level. 
D)  responsible for Doppler shifts. 
E)  the energy level from which the Paschen series of hydrogen originates.

Question 11

Which of the following can be determined by using the Doppler effect?

Accepted Answer

A)  I & IV 
B)  II & III 
C)  II & IV 
D)  I & III 
E)  I, III, & IV 
A)  I & IV 
B)  II & III 
C)  II & IV 
D)  I & III 
E)  I, III, & IV

Question 12

Earth's atmosphere blocks most forms of electromagnetic radiation from entering except for ____________________ and ____________________.

Accepted Answer

visible light, radio

Question 13

The neutral hydrogen atom consists of

Accepted Answer

A)  one proton and one neutron. 
B)  one proton. 
C)  one proton, one neutron, and one electron. 
D)  one proton and one electron. 
E)  an isotope and an ion. 
A)  one proton and one neutron. 
B)  one proton. 
C)  one proton, one neutron, and one electron. 
D)  one proton and one electron. 
E)  an isotope and an ion.

Question 14

Diagram 6-1  
-In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

Accepted Answer

A)  Transition 1 
B)  Transition 2 
C)  Transition 3 
D)  Transition 4 
E)  Transition 5 
A)  Transition 1 
B)  Transition 2 
C)  Transition 3 
D)  Transition 4 
E)  Transition 5

Question 15

How much energy is radiated each second by one square meter of a star whose temperature is 10,000 K? Note: $\sigma$ in the Stefan-Boltzmann law is equal to   .

Accepted Answer

A)  5.67*1012 J 
B)  5.67*108 J 
C)  5.67*104 J 
D)  300 nm 
E)  300,000,000 nm 
A)  5.67*1012 J 
B)  5.67*108 J 
C)  5.67*104 J 
D)  300 nm 
E)  300,000,000 nm

Question 16

____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid.

Accepted Answer

The answer of ____________________ is a measure of the amount...

Question 17

Describe the appearance of each of the three types of spectra described by Kirchhoff's laws. Describe how each of the three types of spectra is formed.

Accepted Answer

The answer of Describe the appearance of each of the...

Question 18

The process of making an electron less tightly bound to an atom's nucleus is known as

Accepted Answer

A)  excitation. 
B)  Doppler broadening. 
C)  collisional broadening. 
D)  a red shift. 
E)  quantum mechanics. 
A)  excitation. 
B)  Doppler broadening. 
C)  collisional broadening. 
D)  a red shift. 
E)  quantum mechanics.

Question 19

The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature? Hint: Our sun at 6000 K is yellow.

Accepted Answer

A)  64,000 K 
B)  32,000 K 
C)  16,000 K 
D)  8000 K 
E)  2000 K 
A)  64,000 K 
B)  32,000 K 
C)  16,000 K 
D)  8000 K 
E)  2000 K

Question 20

What is the order of star colors with increasing temperature?

Accepted Answer

A)  red, yellow, blue 
B)  blue, red, yellow 
C)  red, blue, yellow 
D)  yellow, red, blue 
E)  blue, yellow, red 
A)  red, yellow, blue 
B)  blue, red, yellow 
C)  red, blue, yellow 
D)  yellow, red, blue 
E)  blue, yellow, red

The energy of a photon is proportional to the light's

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Hydrogen alpha is the longest wavelength Balmer line.

At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 10,000 K?

Diagram 6-2 -Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum?

Diagram 6-2 -Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see a continuous spectrum?

A neutral atom always contains

The bluer the light, the ____ each photon contains.

The lowest energy level in an atom is

Which of the following can be determined by using the Doppler effect?

Earth's atmosphere blocks most forms of electromagnetic radiation from entering except for and .

The neutral hydrogen atom consists of

Diagram 6-1 -In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid.

Describe the appearance of each of the three types of spectra described by Kirchhoff's laws. Describe how each of the three types of spectra is formed.

The process of making an electron less tightly bound to an atom's nucleus is known as

The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature? Hint: Our sun at 6000 K is yellow.

What is the order of star colors with increasing temperature?

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 6: Atoms and Spectra

The energy of a photon is proportional to the light's

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Hydrogen alpha is the longest wavelength Balmer line.

At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 10,000 K?

Diagram 6-2 -Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum?

Diagram 6-2 -Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see a continuous spectrum?

A neutral atom always contains

The bluer the light, the ____ each photon contains.

The lowest energy level in an atom is

Which of the following can be determined by using the Doppler effect?

Earth's atmosphere blocks most forms of electromagnetic radiation from entering except for ____________________ and ____________________.

The neutral hydrogen atom consists of

Diagram 6-1 -In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

How much energy is radiated each second by one square meter of a star whose temperature is 10,000 K? Note: σ\sigmaσ in the Stefan-Boltzmann law is equal to .

____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid.

Describe the appearance of each of the three types of spectra described by Kirchhoff's laws. Describe how each of the three types of spectra is formed.

The process of making an electron less tightly bound to an atom's nucleus is known as

The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature? Hint: Our sun at 6000 K is yellow.

What is the order of star colors with increasing temperature?

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Earth's atmosphere blocks most forms of electromagnetic radiation from entering except for and .